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Pacific Biosciences of California, Inc.

PACB
Exchange
Nasdaq
Industry
Laboratory Analytical Instruments
SEC CIK
0001299130

In the last 90 days, Pacific Biosciences of California, Inc. insiders filed 0 open-market purchases and 1 sale; 223 institutions reported holding it in 13F filings for Q2 2026, worth $320.8M in total; superinvestors ARK Invest and HHLR Advisors (Hillhouse) hold it.

13F holders, Q2 2026

Institutional positions in Pacific Biosciences of California, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
223
−5 vs. Q1 2026
Shares held
191.1M
+2.97M (+1.6%) vs. Q1 2026
Total value
$320.8M
+$72.4M (+29.1%) vs. Q1 2026
New holders
24
70 more added
Sold out
29
77 more reduced

3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting PACB on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 223 institutions
Q1 2021: 263 institutionsQ2 2021: 261 institutionsQ3 2021: 246 institutionsQ4 2021: 256 institutionsQ1 2022: 250 institutionsQ2 2022: 230 institutionsQ3 2022: 227 institutionsQ4 2022: 237 institutionsQ1 2023: 260 institutionsQ2 2023: 272 institutionsQ3 2023: 275 institutionsQ4 2023: 274 institutionsQ1 2024: 268 institutionsQ2 2024: 229 institutionsQ3 2024: 226 institutionsQ4 2024: 227 institutionsQ1 2025: 225 institutionsQ2 2025: 207 institutionsQ3 2025: 208 institutionsQ4 2025: 216 institutionsQ1 2026: 231 institutionsQ2 2026: 223 institutions
Value heldQ2 2026: $320.8M
Q1 2021: $5.47BQ2 2021: $6.04BQ3 2021: $4.83BQ4 2021: $4.20BQ1 2022: $2.03BQ2 2022: $1.03BQ3 2022: $1.23BQ4 2022: $1.84BQ1 2023: $2.93BQ2 2023: $3.37BQ3 2023: $2.20BQ4 2023: $2.76BQ1 2024: $1.01BQ2 2024: $331.9MQ3 2024: $394.3MQ4 2024: $475.1MQ1 2025: $265.6MQ2 2025: $245.8MQ3 2025: $237.8MQ4 2025: $373.5MQ1 2026: $248.5MQ2 2026: $320.8M
Institutions holding PACB and their total value by quarter
QuarterHoldersValue
Q2 2026223$320.8M
Q1 2026231$248.5M
Q4 2025216$373.5M
Q3 2025208$237.8M
Q2 2025207$245.8M
Q1 2025225$265.6M
Q4 2024227$475.1M
Q3 2024226$394.3M
Q2 2024229$331.9M
Q1 2024268$1.01B
Q4 2023274$2.76B
Q3 2023275$2.20B
Q2 2023272$3.37B
Q1 2023260$2.93B
Q4 2022237$1.84B
Q3 2022227$1.23B
Q2 2022230$1.03B
Q1 2022250$2.03B
Q4 2021256$4.20B
Q3 2021246$4.83B
Q2 2021261$6.04B
Q1 2021263$5.47B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Pacific Biosciences of California, Inc.; share changes are against Q1 2026.

Institutions holding PACB in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
M&T Bank Corp26,688$44.8K0.00%+26,688New
Xponance, Inc.26,878$45.2K0.00%+2,101+8.5%Added
Granite Bay Wealth Management, LLC27,517$46.0K0.00%+27,517New
Legal & General Group Plc27,572$46.3K0.00%+3,125+12.8%Added
Clear Harbor Asset Management, LLC29,900$50.2K0.00%−14,230−32.2%Reduced
Venture Visionary Partners LLC30,300$50.9K0.00%00.0%Unchanged
Sequoia Financial Advisors, LLC31,355$52.7K0.00%+31,355New
Jane Street Group, LLC31,971$53.7K0.00%−1,358,099−97.7%Reduced
Victory Capital Management Inc33,057$55.5K0.00%+2,214+7.2%Added
Canada Pension Plan Investment Board33,400$56.1K0.00%−74,400−69.0%Reduced
Great West Life Assurance Co34,463$58.0K0.00%+8,801+34.3%Added
Royal Bank of Canada35,441$59.0K0.00%+18,211+105.7%Added
Kestra Advisory Services, LLC35,298$59.3K0.00%+500+1.4%Added
Sanctuary Advisors, LLC37,458$62.9K0.00%+632+1.7%Added
Wealthfront Advisers LLC39,511$66.4K0.00%+65+0.2%Added
SG Americas Securities, LLC41,463$70.0K0.00%+9,402+29.3%Added
Squarepoint Ops LLC41,776$70.2K0.00%+41,776New
Caitong International Asset Management Co., Ltd41,895$70.4K0.01%+38,537+1,147.6%Added
Engineers Gate Manager LP45,320$76.1K0.00%−6,969−13.3%Reduced
ProShare Advisors LLC47,184$79.3K0.00%−6,351−11.9%Reduced
Prudential Financial Inc47,487$79.8K0.00%+4,000+9.2%Added
BNP Paribas Arbitrage, SA48,539$81.5K0.00%−16,859−25.8%Reduced
Wealth Architects, LLC48,725$81.9K0.01%00.0%Unchanged
China Universal Asset Management Co., Ltd.49,432$83.0K0.00%−4,160−7.8%Reduced
Evolution Wealth Advisors, LLC50,000$84.0K0.01%00.0%Unchanged
Wealth Enhancement Advisory Services, LLC54,981$85.8K0.00%+11,320+25.9%Added
Abacus Planning Group, Inc.51,238$86.1K0.01%00.0%Unchanged
Mercer Global Advisors Inc51,769$87.0K0.00%+17,096+49.3%Added
State of Wyoming54,267$91.2K0.01%−1,262−2.3%Reduced
Cetera Investment Advisers54,663$91.8K0.00%+3,304+6.4%Added
Captrust Financial Advisors56,461$94.9K0.00%+12,141+27.4%Added
Voya Investment Management LLC57,145$96.0K0.00%+7,003+14.0%Added
SEI Investments Co59,230$99.5K0.00%−107,593−64.5%Reduced
Simplex Trading, LLC65,659$110.3K0.00%−43,357−39.8%Reduced
Intech Investment Management LLC67,410$113.2K0.00%−33,961−33.5%Reduced
Stifel Financial Corp68,249$114.7K0.00%−1,777−2.5%Reduced
Hartline Investment Corp69,000$115.9K0.01%00.0%Unchanged
State Board of Administration of Florida Retirement System71,941$120.9K0.00%00.0%Unchanged
TCG Advisory Services, LLC75,000$126.0K0.00%+8,000+11.9%Added
Manufacturers Life Insurance Company, The75,341$126.6K0.00%+497+0.7%Added
Police & Firemen's Retirement System of New Jersey79,955$134.3K0.00%00.0%Unchanged
New York State Common Retirement Fund84,825$142.5K0.00%00.0%Unchanged
Cerity Partners LLC98,511$165.5K0.00%+77,090+359.9%Added
Gabelli Funds LLC100,000$168.0K0.00%00.0%Unchanged
Bridgewater Associates, LP102,761$172.6K0.00%+102,761New
Kavar Capital Partners Group, LLC103,319$173.6K0.02%+10,000+10.7%Added
Benjamin Edwards Inc107,715$180.9K0.00%−7,834−6.8%Reduced
Koa Wealth Management, LLC120,000$201.6K0.14%00.0%Unchanged
Vanguard Global Advisers, LLC121,781$204.6K0.00%00.0%Unchanged
Ieq Capital, LLC123,782$208.0K0.00%+11,084+9.8%Added
Envestnet Asset Management Inc132,926$223.3K0.00%−16,035−10.8%Reduced
Voleon Capital Management LP134,834$226.5K0.00%+134,834New
Citigroup Inc139,424$234.2K0.00%+106,325+321.2%Added
JPMorgan Chase & Co145,948$252.5K0.00%+7,444+5.4%Added
Main Street Research LLC152,100$255.5K0.01%00.0%Unchanged
AdvisorNet Financial, Inc152,122$255.6K0.01%+10,065+7.1%Added
MetLife Investment Management157,198$264.1K0.00%+30,108+23.7%Added
Raymond James Financial Inc159,749$268.4K0.00%−4,809−2.9%Reduced
Marshall Wace, LLP163,642$274.9K0.00%+82,342+101.3%Added
Advisor Group Holdings, Inc.164,522$276.4K0.00%+124,231+308.3%Added
Green Alpha Advisors, LLC178,655$300.1K0.20%−3,963−2.2%Reduced
Quadrature Capital Ltd185,654$311.9K0.00%+73,151+65.0%Added
Price T Rowe Associates Inc231,783$390.0K0.00%+43,740+23.3%Added
Deutsche Bank AG267,386$449.2K0.00%+22,617+9.2%Added
Water Island Capital LLC273,666$459.8K0.05%+1,626+0.6%Added
HSBC Holdings PLC280,306$462.6K0.00%+31,829+12.8%Added
Barclays PLC276,988$465.3K0.00%+54,641+24.6%Added
Wells Fargo & Company283,099$475.6K0.00%+151,885+115.8%Added
Group One Trading, L.P.290,860$488.6K0.01%−74,161−20.3%Reduced
Qube Research & Technologies Ltd297,951$500.6K0.00%−887,024−74.9%Reduced
Alliancebernstein L.P.387,060$510.9K0.00%00.0%Unchanged
Creative Planning322,990$542.6K0.00%−4,370−1.3%Reduced
LPL Financial LLC337,502$567.0K0.00%+37,905+12.7%Added
Mirador Capital Partners LP342,482$575.4K0.07%−262,402−43.4%Reduced
Connor, Clark & Lunn Investment Management Ltd.348,324$585.2K0.00%+348,324New
Rhumbline Advisers356,996$599.7K0.00%+8,054+2.3%Added
Mirae Asset Global ETFs Holdings Ltd.441,639$742.0K0.00%+105,382+31.3%Added
ArrowMark Colorado Holdings LLC468,382$786.9K0.03%00.0%Unchanged
Morgan Stanley477,776$802.7K0.00%−1,362,685−74.0%Reduced
Vestmark Advisory Solutions, Inc.478,205$803.4K0.01%−71,884−13.1%Reduced
PEAK6 LLC555,552$933.3K0.02%−43,470−7.3%Reduced
Balyasny Asset Management LLC564,339$948.1K0.00%+303,801+116.6%Added
Russell Investments Group, Ltd.596,843$1.00M0.00%+126,968+27.0%Added
Man Group plc597,334$1.00M0.00%+597,334New
Carret Asset Management, LLC600,140$1.01M0.09%+41,000+7.3%Added
Numerai GP LLC621,469$1.04M0.09%+621,469New
XTX Topco Ltd638,882$1.07M0.01%+394,118+161.0%Added
Tudor Investment Corp Et Al684,707$1.15M0.00%00.0%Unchanged
Casdin Capital, LLC723,767$1.22M0.06%00.0%Unchanged
Dimensional Fund Advisors LP759,783$1.28M0.00%−139,767−15.5%Reduced
Bank of New York Mellon Corp767,567$1.29M0.00%−45,839−5.6%Reduced
Acadian Asset Management LLC793,332$1.33M0.00%+374,541+89.4%Added
Universal- Beteiligungs- und Servicegesellschaft mbH808,700$1.36M0.00%00.0%Unchanged
UBS Group AG893,140$1.50M0.00%−746,959−45.5%Reduced
HHLR Advisors, Ltd.SuperinvestorHHLR Advisors (Hillhouse)918,892$1.54M0.19%00.0%Unchanged
Bourne Lent Asset Management Inc943,055$1.58M0.55%−8,000−0.8%Reduced
Renaissance Technologies LLC966,200$1.62M0.00%−1,522,900−61.2%Reduced
Nuveen, LLC1,023,113$1.72M0.00%−1,927,816−65.3%Reduced
AQR Capital Management LLC1,296,684$2.18M0.00%+537,192+70.7%Added
Invesco Ltd.1,297,091$2.18M0.00%−171,057−11.7%Reduced